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Old 06-27-2018, 11:06 PM   #1
Senior Member
City: Essex, Ct.
Vessel Name: Harmony
Vessel Model: 1982 41' President
Join Date: May 2013
Posts: 404
Depth finder on a Aluminum RIB ?

Anybody ever install a depth finder on a tender ?
I just want a depth in feet, no fishfinder.
I am looking for a unit where I would not need to power it by a 12 vdc battery.
Perhaps one with its own internal power supply ?
1982 41' President
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Old 06-27-2018, 11:16 PM   #2
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City: Poulsbo, WA
Vessel Name: Archimedes
Vessel Model: Grand Banks 42
Join Date: Jan 2011
Posts: 264
I use this one.

I just wanted to know how deep the water was. This is the cheapest I could find.
-- Rusty
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Old 06-28-2018, 09:10 AM   #3
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City: Seabrook, Texas
Vessel Name: Small World
Vessel Model: Defever 50
Join Date: Sep 2014
Posts: 611
We have one in our aluminum hull RIB. Iíll check on the make and model. Why do you care if it runs off 12v? The only time we use ours is when the motor is running.

BTW, we have been surprised at how useful it is for checking out depths of anchorages.

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Old 06-28-2018, 09:38 AM   #4
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Join Date: Jun 2008
Posts: 4,983
I have a portable Humminbird. Has a battery and a suction cup transom transducer.
Works great
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Old 06-28-2018, 09:40 AM   #5
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City: Cape May, NJ
Vessel Name: Irish Lady
Vessel Model: Monk 36
Join Date: Dec 2007
Posts: 4,886
There are Humminbird and Lowrance units built for ice fishermen to cart out on frozen lakes. They have their own battery. I use a handheld waterproof unit if I need one:
Irish Lady
1984 Monk 36 Hull #46
Currently in Stuart, FL
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